Find the value of k for which the line x + ky = 12 is a tangent

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Find the value of k for which the line x + ky = 12 is a tangent to the curve

Can you explain graphically why there is only one such value of k?

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

1st Edition

Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 09, 2023 05:44 AM

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Find the value of k for which the line x + ky = 12 is a tangent

Question:

y = 5 x-2

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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